Re: funkiness with '1999-12-31 19:00:00-05'::timestamp with time zone

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Josh Kupershmidt <schmiddy(at)gmail(dot)com>
Cc: Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: Re: funkiness with '1999-12-31 19:00:00-05'::timestamp with time zone
Date: 2010-09-03 20:14:43
Message-ID: 28949.1283544883@sss.pgh.pa.us
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Josh Kupershmidt <schmiddy(at)gmail(dot)com> writes:
> On Fri, Sep 3, 2010 at 4:01 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Interesting. I can't imagine how you could have produced these with
>> plain COPY, since that would go through timestamptzin. Was it by any
>> chance a binary COPY? If so I could believe that funny timestamps could
>> get in. Maybe some confusion over endianness of the binary data, for
>> instance.

> Exactly, the code is using COPY ... TO STDOUT WITH BINARY along with
> COPY ... FROM STDIN WITH BINARY.

OK; what you need to look at is how the client code is preparing the
timestamp values. What they should be is floats representing seconds
since 2000-01-01 00:00 GMT, sent in bigendian byte order.

regards, tom lane

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